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Measurement and Instrumentation

Measurement and Instrumentation
The resistance in the circuit of the moving coil of a dynamometer wattmeter should be

Almost zero
Low
High
None of the listed here

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Measurement and Instrumentation
The two pressure coils of a single phase power factor meter have

The same dimensions and the same number of turns
The same dimension but different number of turns
The same number of turns but different dimensions
None of these

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Measurement and Instrumentation
For measurement of inductance having high value, we should use

Hay's bridge
Maxwell's bridge
Any of the listed here
Maxwell wein bridge

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Measurement and Instrumentation
The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is

 ± 6%
 ± 2.8%
 ± 4%
 ± 3%

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Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 63.25o.
 105.6o.
 150o.
 30o.

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Measurement and Instrumentation
A dynamometer wattmeter can be used for

Both DC and AC
DC only
AC only
Any of the listed here

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MORE MCQ ON Measurement and Instrumentation

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